INTERNATIONAL TELECOMMUNICATION UNION
ITU-T RECOMMENDATION SUMMARY
Rec. No. : G.709
Title : Synchronous multiplexing structure
Study Group : XV - Transmission Systems and Equipment
Version : Revised
Date of adoption : 1991
Notes :
Recommendation G.709 describes the formats for multiplexing and
mapping elements into the synchronous transport module STM-N at the
network-node interface.
It describes the basic multiplexing structure, the multiplexing
method, the pointers (administrative pointer, tributary units pointers
TU-1, TU-2 and TU-3), the path overhead, and the mapping of
tributaries into virtual containess.
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